Valve.



' No. 891,633. -r PATENTED JUNE 23, 19,08.

RENSTEIN & H. I. DERBY.

VALVE.

APPLICATION rmm 111.24. 1908.

N VE N 70/76" 1159/11 3816 (72012? W/ TNESSES A from/5 rs I'Plhjlllg more esoeeially to valve iratethe eamstruet" ;I

having the cylinders i5 xs'r ISAAC- ssser,

1; men-111:; the L llltP-Lt itizens .UIJGlii the following is a full, clear, amt exact the SCIlPtlOlL This inventlon is an. imprm'ement in x -shes,

ling the admission and exhaust or the actuating fluid hithe mote s of p'iemnatie tools. In these valves, the Yalve-he-(l l rides a seat for the rotar valve-l Wears clown to the Doris. under 1 a I 6 ot the said head T form its proper the renewal of. the emit "IQlTQ-lJOQl T. these bellies are very ex wire to hot and finish, by reason of the large hum ports, bolt openings, etc. Wlll ll they {-ontain, it is desirable to relieve them at H. wear possible. Y a plish this by i; ll 7 the seatof the Walt heed, afforded the body, with a d nCllillLlB weal plate t plate having register with spective parts hscly, and is m: by 2 11 inte Bette ing ill-0A tion, in which Q indicate eon" A Figure 1 is 1 m slit-n11 "tor of a p'lflQLUlliLilC tooh has 0 applied thereto; Fig. 2 is a plan of the same vvith the easing-head lQlllOYGlt, and the cylinhetter illus' ders shoirn partly in seetie tienl the we, pal feature of our in rentitm.

In ercler that the nature et' this n embodiment of our improved Y: H} hwy fully und rstood, we'hn've she sn applied to a motor, i'CHlllflisll side thereof, these (fillllWTS k'Olll'lQClCtl -11 (:nmles imam, us shtvcn in Fig. '5, his valve sen-siststifle-mien of Letters Patent.

'- County have 1nvented a new and lniprovell alt e 0? which iich pro- 1t quickly he action and t ereafter rails to pee our valve 'Pa'fizented June :23, 1903.

pplicmion filed. January 2-3:, 1908. Serial No. $12,4 1. 3.

this lastzi valve-hotly 9, the waive-1' "il'clXalliilg wear-plate l1;

struciaetl with a central opening 12 for the pas of the crank-shatt into the valve- I the latter having an angular recess tel fitting the eori'espomlingly-shapetl extremity 0f the eranleshai ii, whereby the Write-head revolves therewith. l

(fencentrieally surrounding the opening 12 in the valve-hotly is an annular exhaust groove 1;, tlisehsrging through a lumber reiliellv-arrzmgeel exhaustpassages 15, as best SllUWl'l in (lstted outline in. Fig. 2. The valve-hotly is 'also provided with ports 16, which pass singularly there-through and coni with ports leading through the Walls of respective Cylinders. These ports are laced in eumnunicatiun with GT6 1% and the fluid pressure rotary Valve-head 10, the hiton. its under face,

smetrieally opponsteau or v newal. The esr- 1 l'vemwn forms the 1B for with buss or thinlble 19 at its under side, whit-h 'iJlOJQCtS \vlthln and hts the opening The Volts in the Yalx'e-hml are extenle hreug'rz the wear-ulster.

DOW: th elllztLE: in Ul'l he ivil f-fililfili end. .4 hull; UDG

eireulhlt e 2mm we}: ie same may be the easingamiie l thus I l i" alisesnli \ehesd, and is greferahly providetl Having thus described our invention we claim as new and desire to secure by Letters Patent 1. A valve-body having a central. opening.

2. The combination of'a casing, a valve.

body seated on the casing having an admission port and an exhaust port, a rotary valve head, a wear-plate arranged between the valve head and body having 0 enings in communication with the ports an providing a seat for the head, a casing head covering the valve head, and means securing the casing head in position, operating to force the Wear-plate to the valve body.

' 3' he combination of*"a casing, a valve body seated on the end of the casing having an admission port and an exhaust port, a r0- tary' valve head, a wearlate arranged between the valve head and ody having openings in communication with the ports and providing a seat for the head, a gasket interposed between the valve body and Wearplate, a casing head covering the valve head and wear-plate, and means securing the easing head in position, operating to force the Wearlate to the gasket.

4. s an article of manufacture, a Wearplate having marginal bolt-holes and provided with a central opening, With admission and exhaust ports surrounding said opening.

In testimony whereof We have signed our names to this specification in the presence of two subscribing witnesses.-

OHARLES ORENSTEIN. HENRY ISAAC DERBY.

Witnesses:

C. P. SAWYER, MARGARET LAWLESS. 

